[1] Sweeney D W, Sommargren G E. Harmonic diffractive lenses. Appl Opt, 1995,34(14): 2469~2475
[2] Faklis D, Morris D M. Spectral properties of multiorder diffractive lenses. Appl Opt, 1995,34(14): 2462~2468
[5] Behrmann G P, Bowen J P. Influence of temperature on diffractive lens performance. Appl Opt, 1993,32(14): 2483~2489